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VARVARA [1.3K]
3 years ago
9

Someone plz help me please

Mathematics
2 answers:
V125BC [204]3 years ago
5 0

Answer:

16. c)

12. b)

10. c)

2.  a) <- you were right

4. a)

Step-by-step explanation:

16. 10x - 2y = -6

-2y/-2 = (-10x - 6)/-2

y = 5x + 3

12. x + y = -3

y = -x - 3

Svetlanka [38]3 years ago
3 0

Answer:

one is C. Two is A. Not sure about third but the 4 one is correctly A. Last one is C. i'm so sorry if this sucked. I really hoped this helped! Sorry if it's wrong :)

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(m²-2mn)÷m<br><br>thank you po​
MakcuM [25]

Answer:

m-2n

Step-by-step explanation:

(m^2-2mn)/m = m-2n

6 0
3 years ago
A plane flies at 350 mph in the direction N 40° E with a wind blowing at 40 mph in the direction S 70° E. What is the plane’s dr
kozerog [31]

Answer:

The drift angle is approximately 7.65° towards the East from the plane's heading

Step-by-step explanation:

The speed of the plane = 350 mph

The direction in which the plane flies N 40° E = 50° counterclockwise from the eastern direction

The speed of the wind = 40 mph

The direction of the wind = S 70° E = 20° clockwise from the eastern direction

The component velocities of the plane are;

R_{Plane} = (350 × cos 50)·i + (350 × sin 50)·j

R_{Wind} = (40 + cos 20)·i - (40 × sin 40)·j

The resultant speed of the plane = R_{Plane} + R_{Wind} = 265.915·i +242.404·j

The direction the plane is heading = tan⁻¹(242.404/265.915) ≈ 42.35°

Therefore, the drift angle = Actual Angle - Direction of the plane = 50 - 42.35 ≈ 7.65° towards the East

7 0
3 years ago
Read 2 more answers
Write the expression as a product of the to factors: 6m+ 8n+ 4 ​
Whitepunk [10]

Answer:

No answer do u today

Step-by-step explanation:

Lol

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8 0
3 years ago
What is the measure of angle VYZ
irakobra [83]

Answer:

\boxed{\sf C. \ 161 ^{ \circ}}

Step-by-step explanation:

<em>Opposite angles are also congruent angles, meaning they are equal or have the same measurement.</em>

\sf \implies \angle VYZ = \angle WYT \\  \\  \sf \implies(8x  + 1) ^{ \circ}  = (9x  - 19)^{ \circ}  \\  \\  \sf \implies 8x^{ \circ}  + 1^{ \circ}  = 9x^{ \circ}  - 19^{ \circ}  \\  \\  \sf \implies 8x^{ \circ}  - 9x^{ \circ}   + 1^{ \circ} =  - 19^{ \circ}  \\  \\  \sf \implies  - x^{ \circ}   =  - 19^{ \circ}   -   1^{ \circ}  \\  \\  \sf \implies  \cancel{ -} x^{ \circ}   =   \cancel{- }20^{ \circ}    \\  \\  \sf \implies   x^{ \circ}   =  20^{ \circ}

\therefore

\sf \implies \angle VYZ =(8x + 1) ^{ \circ}  \\  \\  \sf \implies \angle VYZ =(8  \times 20 + 1) ^{ \circ}  \\  \\  \sf \implies \angle VYZ =( 160+ 1) ^{ \circ}  \\  \\  \sf \implies \angle VYZ =161 ^{ \circ}

7 0
3 years ago
The table shows the portions of copper
lbvjy [14]

Answer:

Red Gold

Step-by-step explanation:

Assuming you mean 9/40

Red gold = 25%

Pink Gold = .2 which is 20%

Rose gold is \frac{9}{40} = .225 which is 22.5%

5 0
3 years ago
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